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Composite auxiliary agent for molded coal

A technology of composite additives and briquettes, applied in the field of briquettes additives, to achieve the effect of low cost

Inactive Publication Date: 2007-11-28
庄利斌
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The shortcomings of the above briquettes are mainly caused by the additives added.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0007] A compound additive for briquette, its component and weight content are:

[0008] 15 parts of calcium lignoxanthate; 6 parts of sodium dihydrogen phosphate; 7 parts of moistening soil; 15 parts of magnesium oxide; 5 parts of ammonium humate; 5 parts of calcium hydroxide; 2 parts of potassium nitrate; 0.2 parts of tetraammonium methine; 3 parts of sodium chloride; 11 parts of water.

[0009] Production method: Mix the above raw materials evenly and serve.

Embodiment 2

[0011] A compound additive for briquette, its components and weight content are: 5 parts of calcium lignoxanthate; 1 part of sodium dihydrogen phosphate; 5 parts of magnesium oxide; 0.5 parts of ammonium humate; 15 parts of calcium hydroxide ; 12 parts of kaolin; 6 parts of potassium nitrate; 3 parts of potassium permanganate; 2 parts of hexamethylenetetraammonium; 8 parts of water.

[0012] Production method: Mix the above raw materials evenly and serve.

Embodiment 3

[0014] A compound auxiliary agent for briquette, its components and weight content are: 10 parts of calcium lignin xanthate; 2 parts of sodium dihydrogen phosphate; 5 parts of moistening soil; 10 parts of magnesium oxide; 3 parts of ammonium humate; 10 parts of calcium hydroxide; 4 parts of potassium nitrate; 1 part of potassium permanganate; 1 part of hexamethylenetetraammonium; 2 parts of sodium chloride; 8 parts of kaolin; 10 parts of water.

[0015] Production method: Mix the above raw materials evenly and serve.

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PUM

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Abstract

The present invention relates to one kind of composite assistant for briquette. The composite assistant contains calcium lignosulfonate, sodium dihydrogen phosphate, bentonite, magnesia, ammonium humate and other seven kinds of materials in certain weight proportion. The composite assistant has excellent smoke eliminating effect, and has low cost and simple production process.

Description

technical field [0001] The invention belongs to a molded coal additive, in particular to a compound additive for molded coal. Background technique [0002] Existing briquette production mostly adopts organic liquid binder and coal powder to mix and form, and after forming, it is dried by special drying equipment to make briquette products. The briquette produced by the existing drying process requires a large investment in equipment, a considerable amount of fuel coal is required for drying, and the self-pollution is serious, the heat intensity of the finished product is low, and the binder cost per ton of briquette is high. Due to the collapse of briquettes, the amount of dust carried in the flue gas increases. It does not meet environmental protection standards when burned. The shortcomings of the above briquettes are mainly caused by the additives added. In order to overcome the above shortcomings, the additives added must be changed. Contents of the invention [00...

Claims

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Application Information

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IPC IPC(8): C10L5/04
Inventor 庄利斌庄婉琪张霞
Owner 庄利斌